From 68b003f93b4e9015c81f0b66fcebd539b4ae3baa Mon Sep 17 00:00:00 2001
From: Larry Lu <pudding850806@gmail.com>
Date: Wed, 5 Dec 2018 17:53:52 +0800
Subject: [PATCH] Add a simple example for sum

---
 snippets/sum.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/snippets/sum.md b/snippets/sum.md
index 80c6ff4e4..2bc3a59ac 100644
--- a/snippets/sum.md
+++ b/snippets/sum.md
@@ -9,5 +9,6 @@ const sum = (...arr) => [...arr].reduce((acc, val) => acc + val, 0);
 ```
 
 ```js
+sum(1, 2, 3, 4); // 10
 sum(...[1, 2, 3, 4]); // 10
 ```